General Nat Examples; Figure 30-8 Menu 15.2: Nat Server Setup; Figure 30-9 Server Behind Nat Example - ZyXEL Communications ZyWALL 5 User Manual

Press [ENTER] at the "Press ENTER to confirm ..." prompt to save your configuration after you
5.
define all the servers or press [ESC] at any time to cancel.
You assign the private network IP addresses. The NAT network appears as a single host on the
Internet. A is the FTP/Telnet/SMTP server.

30.4 General NAT Examples

The following are some examples of NAT configuration.
30.4.1 Internet Access Only
In the following Internet access example, you only need one rule where all your ILAs (Inside Local
addresses) map to one dynamic IGA (Inside Global Address) assigned by your ISP.
NAT
Menu 15.2 - NAT Server Setup
Rule Start Port No.
---------------------------------------------------
1. Default
2. 21
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
9. 0
10. 0
11. 0
12. 0
Press ENTER to Confirm or ESC to Cancel:

Figure 30-8 Menu 15.2: NAT Server Setup

Figure 30-9 Server Behind NAT Example

ZyWALL 5 Internet Security Appliance
End Port No. IP Address
Default 0.0.0.0
25 192.168.1.33
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
30-7